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Specify more method's chaining behavior.

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Former-commit-id: 7b8c18f6058bb279ab25f7e8b94e7418951e3ded
This commit is contained in:
John-David Dalton
2012-12-05 01:17:56 -08:00
parent 221b347bd9
commit 939123785b
6 changed files with 305 additions and 257 deletions
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78
build.js
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@@ -124,7 +124,7 @@
'memoize': [],
'merge': ['forOwn', 'isArray', 'isPlainObject'],
'min': ['forEach', 'isArray', 'isString'],
'mixin': ['filter', 'forEach', 'functions'],
'mixin': ['forEach', 'forOwn', 'functions'],
'noConflict': [],
'object': [],
'omit': ['forIn', 'indexOf'],
@@ -366,6 +366,8 @@
.replace(/(?:(?:\s*\/\/.*)*\s*lodash\._[^=]+=.+\n)+/g, '\n')
// remove lines with just whitespace and semicolons
.replace(/^ *;\n/gm, '')
// consolidate multiple newlines
.replace(/\n{3,}/g, '\n\n')
// consolidate consecutive horizontal rule comment separators
.replace(/(?:\s*\/\*-+\*\/\s*){2,}/g, function(separators) {
return separators.match(/^\s*/)[0] + separators.slice(separators.lastIndexOf('/*'));
@@ -439,7 +441,7 @@
* @returns {String} Returns the method assignments snippet.
*/
function getMethodAssignments(source) {
return (source.match(/lodash\.VERSION *= *[\s\S]+?\/\*-+\*\/\n/) || [''])[0];
return (source.match(/\/\*-+\*\/\n(?:\s*\/\/.*)*\s*lodash\.\w+ *=[\s\S]+?lodash\.VERSION *=.+/) || [''])[0];
}
/**
@@ -1465,17 +1467,22 @@
' }'
].join('\n'));
// add `__chain__` checks to `_.mixin` and Array function wrappers
source = source.replace(/^( *)forEach\([\s\S]+?\n\1}.+/gm, function(match) {
return match.replace(/^( *)return new lodash\(([^)]+)\).+/m, function(submatch, indent, varName) {
return indent + [
'if (this.__chain__) {',
' varName = new lodash(varName);',
' varName.__chain__ = true;',
'}',
'return varName;'
].join('\n' + indent)
.replace(/varName/g, varName);
// add `__chain__` checks to `_.mixin` and `Array` function wrappers
_.each([
matchFunction(source, 'mixin'),
/(?:\s*\/\/.*)*\n( *)forEach\(\['[\s\S]+?\n\1}.+/g
], function(pattern) {
source = source.replace(pattern, function(match) {
return match.replace(/( *)return new lodash\(([^)]+)\).+/, function(submatch, indent, varName) {
return indent + [
'if (this.__chain__) {',
' varName = new lodash(varName);',
' varName.__chain__ = true;',
'}',
'return varName;'
].join('\n' + indent)
.replace(/varName/g, varName);
});
});
});
@@ -1492,12 +1499,21 @@
});
// remove `lodash.prototype.toString` and `lodash.prototype.valueOf` assignments
source = source.replace(/ *lodash\.prototype\.(?:toString|valueOf) *=.+\n/g, '');
source = source.replace(/^ *lodash\.prototype\.(?:toString|valueOf) *=.+\n/gm, '');
// remove `lodash.prototype` batch method assignments
source = source
.replace(/(?:\s*\/\/.*)*\n( *)forEach\(\['first'[\s\S]+?\n\1}.+/, '')
.replace(/(?:\s*\/\/.*)*\n( *)forEach\(filter[\s\S]+?lodash\.[\s\S]+?\n\1}.+/, '');
source = source.replace(/(?:\s*\/\/.*)*\n( *)forOwn\(lodash, *function\(func, *methodName\)[\s\S]+?\n\1}.+/g, '');
// move `mixin(lodash)` to after the method assignments
source = source.replace(/(?:\s*\/\/.*)*\s*mixin\(lodash\).+/, '');
source = source.replace(getMethodAssignments(source), function(match) {
return match + [
'',
'',
' // add functions to `lodash.prototype`',
' mixin(lodash);'
].join('\n');
});
// remove unused features from `createBound`
if (buildMethods.indexOf('partial') == -1) {
@@ -1617,23 +1633,23 @@
modified = snippet;
if (!exposeAssign) {
modified = modified.replace(/(?:\n *\/\/.*\s*)* *lodash\.assign *= *.+\n/, '');
modified = modified.replace(/^(?: *\/\/.*\s*)* *lodash\.assign *= *.+\n/m, '');
}
if (!exposeForIn) {
modified = modified.replace(/(?:\n *\/\/.*\s*)* *lodash\.forIn *= *.+\n/, '');
modified = modified.replace(/^(?: *\/\/.*\s*)* *lodash\.forIn *= *.+\n/m, '');
}
if (!exposeForOwn) {
modified = modified.replace(/(?:\n *\/\/.*\s*)* *lodash\.forOwn *= *.+\n/, '');
modified = modified.replace(/^(?: *\/\/.*\s*)* *lodash\.forOwn *= *.+\n/m, '');
}
if (!exposeIsPlainObject) {
modified = modified.replace(/(?:\n *\/\/.*\s*)* *lodash\.isPlainObject *= *.+\n/, '');
modified = modified.replace(/^(?: *\/\/.*\s*)* *lodash\.isPlainObject *= *.+\n/m, '');
}
source = source.replace(snippet, modified);
}());
// replace `isArguments` and its fallback
(function() {
var snippet = matchFunction(source, 'isArguments');
var snippet = matchFunction(source, 'isArguments').trimRight();
snippet = snippet.replace(/function isArguments/, 'lodash.isArguments = function');
source = removeFunction(source, 'isArguments');
@@ -1819,6 +1835,8 @@
source = removeIsFunctionFallback(source);
}
if (isRemoved(source, 'mixin')) {
source = removeVar(source, 'hasObjectSpliceBug');
// simplify the `lodash` function
source = replaceFunction(source, 'lodash', [
' function lodash() {',
@@ -1826,17 +1844,17 @@
' }'
].join('\n'));
// remove `lodash.prototype` additions
source = source.replace(/(?:\s*\/\/.*)*\s*mixin\(lodash\)[\s\S]+?\/\*-+\*\//, '');
source = removeVar(source, 'hasObjectSpliceBug');
// remove all `lodash.prototype` additions
source = source
.replace(/(?:\s*\/\/.*)*\n( *)forOwn\(lodash, *function\(func, *methodName\)[\s\S]+?\n\1}.+/g, '')
.replace(/(?:\s*\/\/.*)*\n( *)forEach\(\['[\s\S]+?\n\1}.+/g, '')
.replace(/(?:\s*\/\/.*)*\s*mixin\(lodash\).+\n/, '')
.replace(/(?:\s*\/\/.*)*\s*lodash\.prototype.+\n/, '');
}
// remove pseudo private properties
source = source.replace(/(?:(?:\s*\/\/.*)*\s*lodash\._[^=]+=.+\n)+/g, '\n');
// assign debug source before further modifications that rely on the minifier
// to remove unused variables and other dead code
debugSource = source;
debugSource = cleanupSource(source);
// remove associated functions, variables, and code snippets that the minifier may miss
if (isRemoved(source, 'clone')) {
@@ -1889,6 +1907,8 @@
}
}
source = cleanupSource(source);
/*------------------------------------------------------------------------*/
// used to specify creating a custom build